11533012 has 12 divisors (see below), whose sum is σ = 20563956. Its totient is φ = 5657600.

The previous prime is 11533007. The next prime is 11533031. The reversal of 11533012 is 21033511.

It can be written as a sum of positive squares in 2 ways, for example, as 8271376 + 3261636 = 2876^2 + 1806^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26989 + ... + 27412.

It is an arithmetic number, because the mean of its divisors is an integer number (1713663).

Almost surely, 2^11533012 is an apocalyptic number.

It is an amenable number.

11533012 is a deficient number, since it is larger than the sum of its proper divisors (9030944).

11533012 is a wasteful number, since it uses less digits than its factorization.

11533012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54458 (or 54456 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 11533012 is about 3396.0288573568. The cubic root of 11533012 is about 225.9336479973.

Adding to 11533012 its reverse (21033511), we get a palindrome (32566523).

The spelling of 11533012 in words is "eleven million, five hundred thirty-three thousand, twelve".